// 本文件用于：
import { memo, useEffect } from 'react';
import { numA } from './testImport';

export default memo(() => {
  console.log('AAA渲染了');

  useEffect(() => {
    console.log('numA', numA);
  }, [numA]);

  class A {}

  class B extends A {
    a: number;

    constructor() {
      super();
      this.a = 1;
    }
  }

  return (
    <>
      <div>{numA}</div>
    </>
  );
});
